Environment

	Operating	Storage
Temperature	0 °C to 50 °C (32 °F to 122 °F) with load derating above 40 °C (104 °F).For temperatures between 40 °C (104 °F) and 50 °C (122 °F), derate the load power rating with 2.5% per °C.*	-15 °C to 40 °C (5 °F to 104 °F) for systems with batteries. -25 °C to 55 °C (-13 °F to 131 °F) for systems without batteries.
Relative humidity	5-95% non-condensing	10-80% non-condensing
Elevation	Designed for operation in 0-3000 m (0-10000 feet) elevation. Derating required from 1000-3000 m (3300-10000 feet): Up to 1000 m (3300 feet): 1.000 Up to 1500 m (5000 feet) : 0.975 Up to 2000 m (6600 feet): 0.950 Up to 2500 m (8300 feet): 0.925 Up to 3000 m (10000 feet): 0.900
Audible noise one meter (three feet) from unit	400 V: 60 dB at 70% load, 68 dB at 100% load 480 V: 57 dB at 70% load, 64 dB at 100% load 208 V: 60 dB at 70% load, 68 dB at 100% load
Protection class	IP21
Color	RAL 9003, gloss level 85%